Granted Patent
Utility
US 4,485,285 · App. 06/472,899
Quarterwave choke for a microwave oven quartz lamp
Inventor:
Gregory W. Machesney
Patented Case
View Patent ↗
Granted: Nov 27, 1984
Filed: Mar 7, 1983
Inventor
Gregory W. Machesney
Assignee (at issue)
Control Data Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.